body {
    margin: 0;
}

.content {
    display: inline-block;
    border: solid 1px #ededed;
}

.button {
    display: block;
    width: 100%;
    margin: 0;
    padding: 5px;
    background: none;
    border: none;
}

.button:hover {
    cursor: pointer;
}

.button p {
    text-align: center;
    margin: 0;
}

.upper-button {
    padding-bottom: 0;
}

.lower-button {
    padding-top: 0;
}

.split-button {
    width: 80px;
}

.splitter {
    width: 100%;
    height: 1px;
    margin: 2px 0;
    background-color: #888888;
    visibility: hidden;
}

.dropdown {
    display: none;
    width: 160px;
    padding: 1px;
    border: 1px solid #888888;
    box-sizing: border-box;
    background: #ffffff;
    position: relative;
}

.dropdown-decor {
    width: 23px;
    height: calc(100% - 2px);
    background: #e9e9e9;
    position: absolute;
    z-index: 0;
}

.dropdown-option {
    width: 100%;
    padding: 5px;
    text-align: left;
    border: none;
    background: none;
    position: relative;
    z-index: 1;
}

.dropdown-option > * {
    float: left;
}

.option-caption {
    margin-left: 16px;
    line-height: 32px;
}